perf stat: Capitalize topdown metrics' names
Capitalize topdown metrics' names to follow the intel SDM.
Before:
# ./perf stat -a sleep 1
Performance counter stats for 'system wide':
228,094.05 msec cpu-clock # 225.026 CPUs utilized
842 context-switches # 3.691 /sec
224 cpu-migrations # 0.982 /sec
70 page-faults # 0.307 /sec
23,164,105 cycles # 0.000 GHz
29,403,446 instructions # 1.27 insn per cycle
5,268,185 branches # 23.097 K/sec
33,239 branch-misses # 0.63% of all branches
136,248,990 slots # 597.337 K/sec
32,976,450 topdown-retiring # 24.2% retiring
4,651,918 topdown-bad-spec # 3.4% bad speculation
26,148,695 topdown-fe-bound # 19.2% frontend bound
72,515,776 topdown-be-bound # 53.2% backend bound
6,008,540 topdown-heavy-ops # 4.4% heavy operations # 19.8% light operations
3,934,049 topdown-br-mispredict # 2.9% branch mispredict # 0.5% machine clears
16,655,439 topdown-fetch-lat # 12.2% fetch latency # 7.0% fetch bandwidth
41,635,972 topdown-mem-bound # 30.5% memory bound # 22.7% Core bound
1.013634593 seconds time elapsed
After:
# ./perf stat -a sleep 1
Performance counter stats for 'system wide':
228,081.94 msec cpu-clock # 225.003 CPUs utilized
824 context-switches # 3.613 /sec
224 cpu-migrations # 0.982 /sec
67 page-faults # 0.294 /sec
22,647,423 cycles # 0.000 GHz
28,870,551 instructions # 1.27 insn per cycle
5,167,099 branches # 22.655 K/sec
32,383 branch-misses # 0.63% of all branches
133,411,074 slots # 584.926 K/sec
32,352,607 topdown-retiring # 24.3% Retiring
4,456,977 topdown-bad-spec # 3.3% Bad Speculation
25,626,487 topdown-fe-bound # 19.2% Frontend Bound
70,955,316 topdown-be-bound # 53.2% Backend Bound
5,834,844 topdown-heavy-ops # 4.4% Heavy Operations # 19.9% Light Operations
3,738,781 topdown-br-mispredict # 2.8% Branch Mispredict # 0.5% Machine Clears
16,286,803 topdown-fetch-lat # 12.2% Fetch Latency # 7.0% Fetch Bandwidth
40,802,069 topdown-mem-bound # 30.6% Memory Bound # 22.6% Core Bound
1.013683125 seconds time elapsed
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220825015458.3252239-1-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Zhengjun Xing
committed by
Arnaldo Carvalho de Melo
Arnaldo Carvalho de Melo
parent
3126204ce3
commit
48648548ef
@@ -1193,7 +1193,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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&rsd);
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if (retiring > 0.7)
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color = PERF_COLOR_GREEN;
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print_metric(config, ctxp, color, "%8.1f%%", "retiring",
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print_metric(config, ctxp, color, "%8.1f%%", "Retiring",
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retiring * 100.);
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} else if (perf_stat_evsel__is(evsel, TOPDOWN_FE_BOUND) &&
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full_td(cpu_map_idx, st, &rsd)) {
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@@ -1202,7 +1202,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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&rsd);
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if (fe_bound > 0.2)
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color = PERF_COLOR_RED;
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print_metric(config, ctxp, color, "%8.1f%%", "frontend bound",
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print_metric(config, ctxp, color, "%8.1f%%", "Frontend Bound",
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fe_bound * 100.);
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} else if (perf_stat_evsel__is(evsel, TOPDOWN_BE_BOUND) &&
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full_td(cpu_map_idx, st, &rsd)) {
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@@ -1211,7 +1211,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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&rsd);
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if (be_bound > 0.2)
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color = PERF_COLOR_RED;
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print_metric(config, ctxp, color, "%8.1f%%", "backend bound",
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print_metric(config, ctxp, color, "%8.1f%%", "Backend Bound",
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be_bound * 100.);
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} else if (perf_stat_evsel__is(evsel, TOPDOWN_BAD_SPEC) &&
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full_td(cpu_map_idx, st, &rsd)) {
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@@ -1220,7 +1220,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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&rsd);
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if (bad_spec > 0.1)
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color = PERF_COLOR_RED;
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print_metric(config, ctxp, color, "%8.1f%%", "bad speculation",
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print_metric(config, ctxp, color, "%8.1f%%", "Bad Speculation",
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bad_spec * 100.);
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} else if (perf_stat_evsel__is(evsel, TOPDOWN_HEAVY_OPS) &&
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full_td(cpu_map_idx, st, &rsd) && (config->topdown_level > 1)) {
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@@ -1234,13 +1234,13 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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if (retiring > 0.7 && heavy_ops > 0.1)
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color = PERF_COLOR_GREEN;
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print_metric(config, ctxp, color, "%8.1f%%", "heavy operations",
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print_metric(config, ctxp, color, "%8.1f%%", "Heavy Operations",
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heavy_ops * 100.);
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if (retiring > 0.7 && light_ops > 0.6)
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color = PERF_COLOR_GREEN;
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else
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color = NULL;
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print_metric(config, ctxp, color, "%8.1f%%", "light operations",
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print_metric(config, ctxp, color, "%8.1f%%", "Light Operations",
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light_ops * 100.);
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} else if (perf_stat_evsel__is(evsel, TOPDOWN_BR_MISPREDICT) &&
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full_td(cpu_map_idx, st, &rsd) && (config->topdown_level > 1)) {
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@@ -1254,13 +1254,13 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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if (bad_spec > 0.1 && br_mis > 0.05)
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color = PERF_COLOR_RED;
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print_metric(config, ctxp, color, "%8.1f%%", "branch mispredict",
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print_metric(config, ctxp, color, "%8.1f%%", "Branch Mispredict",
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br_mis * 100.);
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if (bad_spec > 0.1 && m_clears > 0.05)
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color = PERF_COLOR_RED;
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else
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color = NULL;
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print_metric(config, ctxp, color, "%8.1f%%", "machine clears",
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print_metric(config, ctxp, color, "%8.1f%%", "Machine Clears",
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m_clears * 100.);
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} else if (perf_stat_evsel__is(evsel, TOPDOWN_FETCH_LAT) &&
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full_td(cpu_map_idx, st, &rsd) && (config->topdown_level > 1)) {
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@@ -1274,13 +1274,13 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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if (fe_bound > 0.2 && fetch_lat > 0.15)
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color = PERF_COLOR_RED;
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print_metric(config, ctxp, color, "%8.1f%%", "fetch latency",
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print_metric(config, ctxp, color, "%8.1f%%", "Fetch Latency",
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fetch_lat * 100.);
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if (fe_bound > 0.2 && fetch_bw > 0.1)
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color = PERF_COLOR_RED;
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else
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color = NULL;
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print_metric(config, ctxp, color, "%8.1f%%", "fetch bandwidth",
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print_metric(config, ctxp, color, "%8.1f%%", "Fetch Bandwidth",
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fetch_bw * 100.);
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} else if (perf_stat_evsel__is(evsel, TOPDOWN_MEM_BOUND) &&
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full_td(cpu_map_idx, st, &rsd) && (config->topdown_level > 1)) {
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@@ -1294,13 +1294,13 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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if (be_bound > 0.2 && mem_bound > 0.2)
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color = PERF_COLOR_RED;
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print_metric(config, ctxp, color, "%8.1f%%", "memory bound",
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print_metric(config, ctxp, color, "%8.1f%%", "Memory Bound",
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mem_bound * 100.);
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if (be_bound > 0.2 && core_bound > 0.1)
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color = PERF_COLOR_RED;
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else
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color = NULL;
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print_metric(config, ctxp, color, "%8.1f%%", "Core bound",
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print_metric(config, ctxp, color, "%8.1f%%", "Core Bound",
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core_bound * 100.);
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} else if (evsel->metric_expr) {
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generic_metric(config, evsel->metric_expr, evsel->metric_events, NULL,
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